MBSE Systems Engineer Staff - FULL TIME REMOTE Lockheed Martin CorpMBSE Systems Engineer Staff - FULL TIME REMOTEKing of Prussia, PARemote$125,600–$217,695 / yearPay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $109,200 - $192,510. EMBERPOINT integrates artificial intelligence, advanced sensing technologies, real-time mission data, and cloud-based command-and-control capabilities to help detect fires earlier, improve operational coordination, and accelerate response and recovery efforts.
Senior Thermal Protection System Engineer Lockheed Martin CorpSenior Thermal Protection System EngineerKing of Prussia, PA$85,500–$150,765 / yearPay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $85,500 - $150,765. Presenting resultant design and analysis data to the design/engineering team, customer technical representatives, and Program Office personnel at technical exchange meetings and formal design reviews.
Field Engineer MJDP ResourcesField EngineerGarnet Valley, PAConsistent and timely collaboration and communication with Software Developers, Lead Installers, Managed Services, Project Managers, and System Engineers as to conditions with operational questions, systems concerns, troubleshooting, technical requirements, and potential short or long-term issues. Complete PC or mobile device documentation of software functionality in the form of customer user guides, internal functional explanations as relates to problem-solving, and communication with clients for unique operational walk-throughs.
Java Full Stack Engineer Iconma LLCJava Full Stack EngineerWilmington, DEApply strong experience in core and advanced Java, cloud platforms, DevOps and SRE practices to design, develop and optimize resilient services that support global commerce applications in a hybrid work model, ensuring stable and efficient systems for business and society. Design and develop scalable GIS and commerce focused services using core and advanced Java to ensure high performance and maintainable solutions that support critical business workloads and end user experiences.
AI Engineer (Agentic) Expert In Recruitment SolutionsAI Engineer (Agentic)Plymouth Meeting, PARemoteThe ideal candidate is a full-stack or backend-focused software engineer who has hands-on experience working with LLMs, Retrieval-Augmented Generation (RAG), agentic AI frameworks, and AI-powered applications . Experience implementing agents, integrating tools and APIs, managing context and memory, and supporting enterprise-scale deployments is highly valued.
Senior Software Engineer - Eadge-T Tech Refresh - Expat UAE Lockheed Martin CorporationSenior Software Engineer - Eadge-T Tech Refresh - Expat UAEKing Of Prussia, PAWorking in an Agile development environment, you'll collaborate with cross-functional engineering teams to deliver new features, modernize legacy applications, implement automated testing, and enhance the software development pipeline while helping shape the program's evolving software architecture. Modernize and maintain software applications by integrating Commercial Off-the-Shelf (COTS) and Free and Open-Source Software (FOSS) updates while migrating legacy capabilities into Lockheed Martin's Software Factory continuous integration and continuous delivery (CI/CD) pipelines.
Civil Engineer Actalent IncCivil EngineerPaoli, PA$48.07–$55.28 / hourWe are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing winner for both client and talent service. If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.
NewHuman Engineer BoeingHuman EngineerRidley Park, PennsylvaniaThe Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Education/experience typically acquired through advanced technical education from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), computer science, engineering data science, mathematics, physics or chemistry (e.g.
Corporate Process Safety Engineer Pilot ChemicalCorporate Process Safety EngineerWest Chester, PennsylvaniaCORPORATE PROCESS SAFETY ENGINEER Role Summary This position will continuously improve Process Safety related activities to reduce risk and improve viability for Pilot Chemical Company’s operations regarding Environmental, Health & Safety (EHS) compliance. Prepare draft companywide Process Safety programs and finalize them after feedback in alignment with Manufacturing that are on time and technically correct to move Pilot towards common programs that are Suitable, Adequate and Effective (SAE).
Complaints Engineer II Terumo Medical CorpComplaints Engineer IIElkton, MD$72,500–$99,660 / yearThrough proactive engagement, auditing, training, and compliance initiatives, this role helps ensure sustained regulatory readiness and supports Terumos commitment to deliver safe, effective, and high-quality products to customers and patients worldwide. TMC places a premium on providing customers with world-class products, training and education programs that drive clear economic value, better clinical outcomes and improved quality of life for patients.
Senior Reliability Engineer Expert In Recruitment SolutionsSenior Reliability Engineermalvern, PAImprove resiliency engineering practices across platforms and applications, including resilient application design patterns, system observability and deployment strategies. * Develop and support OpenTelemetry integrations for multiple application platforms (browser, ECS, lambda, etc) and languages (JavaScript, Java).
Thermal Engineer Staff (Level 4) Lockheed Martin CorpThermal Engineer Staff (Level 4)King of Prussia, PA$104,500–$184,115 / yearPay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $104,500 - $184,115. As a senior member of the thermal engineering team, you will lead and execute high-fidelity thermal analyses across missile components, subsystems, and fully integrated systems - including ground support equipment - throughout the entire lifecycle.
Manufacturing Engineer Dwyer Instruments, Inc.Manufacturing Engineerswedesboro, NJThe company offers over 300,000 state-of-the-art products for process measurement and control of temperature, humidity, pressure, strain, force, flow, level, pH, conductivity, and indoor air quality, and is a recognized global leader in the digital marketing of technical products. Knowledge, Skills, and Abilities: To perform the job successfully, an individual should demonstrate the following knowledge, skills, and abilities: Experience with and knowledge of solid modeling, SolidWorks or AutoCAD engineering design software, and engineering materials and their properties.
Outside Sales Engineer Geiger Pump and EquipmentOutside Sales EngineerAston, PAFull timeAs an Outside Sales Engineer, you’ll directly impact the success and growth of our Industrial group by successfully maintaining and growing sales and gross margin within a defined territory utilizing access to market leading industrial rotating equipment brands, extensive application and engineering expertise, aftermarket services, repair and engineered skid system capabilities of both new and existing customers. Continuously improve your knowledge and expertise on pumps, mechanical seals, controls, blowers, fans, vacuum pump systems, process equipment, and advanced reliability/condition monitoring technologies.
Senior Services Engagement Engineer SAP SESenior Services Engagement EngineerNewtown Square, PA$125,923–$155,125 / yearPurpose and Objective: SAP America, Inc. seeks a Senior Services Engagement Engineer at our Newtown Square, PA location to support customers with long-term, post-sales Premium Engagement contracts and with responsibility for the overall delivery of contracted services. Education and Occupational Experience: Bachelor's degree or foreign equivalent in Computer Science, Industrial Engineering or a related field of study and six (6) years of progressive post-baccalaureate experience in the job offered or related occupation.
** Manufacturing Engineer Dwyer Instruments** Manufacturing EngineerSwedesboro, NJThe company offers over 300,000 state-of-the-art products for process measurement and control of temperature, humidity, pressure, strain, force, flow, level, pH, conductivity, and indoor air quality, and is a recognized global leader in the digital marketing of technical products. Knowledge, Skills, and Abilities: To perform the job successfully, an individual should demonstrate the following knowledge, skills, and abilities: Experience with and knowledge of solid modeling, SolidWorks or AutoCAD engineering design software, and engineering materials and their properties.
Maintenance Engineer (m/f/d) Swisslog Australia Pty LtdMaintenance Engineer (m/f/d)Wilmington, DESwisslog is a world of opportunity for people who can deliver a game changing mission: driving the future of intralogistics, by shaping an era of robotic and data-driven automated solutions that create exceptional customer value. Join us on this journey and you'll be part of a global enterprise that's proud of its Swiss roots - and hugely excited by the worldwide opportunities open to everyone in the Swisslog family.
Digital Engineering & MBSE Architect Clearance Required Logistics Management InstituteDigital Engineering & MBSE Architect Clearance RequiredMDCollaborate with team of domain subject matter experts, system engineers, other partners, and stakeholders to develop models of modular complex sensor data integration systems using systems modeling languages such as SysML and UAF. Individual salaries are determined by various factors including, but not limited to location, internal equity, business considerations, client contract requirements, and candidate qualifications, such as education, experience, skills, and security clearances.
Software Engineer III-ETL/PySpark JPMorgan Chase & CoSoftware Engineer III-ETL/PySparkWilmington, DEAs a Software Engineer III-ETL/PySpark at JPMorgan Chase within the Consumer and Community Banking Data Technology team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Chase is a leading financial services firm, helping nearly half of America's households and small businesses achieve their financial goals through a broad range of financial products.
AWS Sr. Lead Software Engineer-Java/SpringBoot/Terraform JPMorgan Chase & CoAWS Sr. Lead Software Engineer-Java/SpringBoot/TerraformWilmington, DELead Software Engineer-Java/SpringBoot/Terraform at JPMorgan Chase within Consumer and Community Banking''s Card Cobrand team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Advanced experience leading the design, development, and modernization of large‑scale, cloud‑native systems on AWS, leveraging services such as EC2, EKS, Lambda, S3, RDS/DynamoDB, API Gateway, IAM, VPC, and CloudWatch to deliver secure, highly available solutions.
Software Engineer III - Python Fullstack JPMorgan Chase & CoSoftware Engineer III - Python FullstackWilmington, DEAs a Software Engineer III at JPMorgan Chase within Corporate Technology, you will be a seasoned member of an agile team, tasked with designing and delivering trusted, market-leading technology products that are secure, stable, and scalable. JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P.
Lead Software Engineer - Java/ AWS Developer JPMorgan Chase & CoLead Software Engineer - Java/ AWS DeveloperWilmington, DEAs a Lead Software Engineer at JPMorganChase within the Auto Line of Business, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Leads evaluation sessions with external vendors, startups, and internal teams to drive outcomes-oriented probing of architectural designs, technical credentials, and applicability for use within existing systems and information architecture.
Sr. Lead Software Engineer - Pyspark/Python, AWS, Databricks JPMorgan Chase & CoSr. Lead Software Engineer - Pyspark/Python, AWS, DatabricksWilmington, DEOur history spans over 200 years and today we are a leader in investment banking, consumer and small business banking, commercial banking, financial transaction processing and asset management. JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P.
EP ServiceNow Lead Software Engineer JPMorgan Chase & CoEP ServiceNow Lead Software EngineerWilmington, DEServiceNow Certifications JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P. As a Software Engineer at JPMorgan Chase within the Enterprise Platform team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way.
Lead Software Engineer-Full Stack/Spring Boot/React JPMorgan Chase & CoLead Software Engineer-Full Stack/Spring Boot/ReactWilmington, DEAs a Lead Software Engineer-Full Stack/Spring Boot/React at JPMorgan Chase within the Consumer and Community Banking''s Product Agility Team, you will be shaping the future of our Agile Enablement Tools platform - an API driven system of record that connects products, teams, leadership, and financial insights across the company. Experience with React in building scalable applications, including designing and developing dynamic user interfaces, managing state with tools such as Redux or Context API, optimizing component performance, and integrating with RESTful APIs and backend services to deliver responsive and maintainable web application.
Lead Software Engineer - Python/React/AWS/AI JPMorgan Chase & CoLead Software Engineer - Python/React/AWS/AIWilmington, DEAs a Lead Software Engineer - Python/React/AWS/AI at JPMorganChase within the Consumer and Community Banking team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Strong understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practices.
AI Engineer Artech LLCAI EngineerMalvern, PA$40–$45 / hourExperience designing agents that can invoke APIs, query databases, and interact with enterprise tools to perform real-world actions beyond text generation. Strong coding skills to implement orchestration logic, handle async workflows, error handling, and integrate AI capabilities into applications.
NewField Service Engineer Nova Biomedical CorpField Service EngineerWilmington, DEWith headquarters in Norwood and Waltham, Massachusetts, and a global team of nearly 2,000 employees, were building a collaborative, empowered culture grounded in shared values: Customer Centricity, Ingenuity, Ownership & Accountability, Collaboration, and Integrity. Nova Biomedical is proud to be a global leader in osmolality testing and biotechnology and in vitro diagnostic (IVD) instrumentation, dedicated to advancing patient care and scientific discovery with a legacy that continues to shape the future of life sciences.
Engineer II Sallie Mae Inc (SLM Corp)Engineer IINewark, DEThe successful candidate will collaborate closely with business stakeholders, analysts, and engineering teams to develop applications, APIs, business rules, and automation capabilities that improve operational effectiveness and customer outcomes. Let us know you're interested in a future opportunity by clicking Introduce Yourself in the top-right corner of the page or create an account to set up email alerts as new job postings become available that meet your interest!
Digital Signal Processing Electrical & Computer Engineer Booz Allen Hamilton IncDigital Signal Processing Electrical & Computer EngineerMD$86,800–$198,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Test & Evaluation Engineer (Electrical) – EW&C MAG AerospaceTest & Evaluation Engineer (Electrical) – EW&CAberdeen Proving Ground, Maryland$130,000–$185,000 / yearFull timePosition Summary: MAG Aerospace is seeking an experienced Test and Evaluation Engineer to develop, execute, and maintain hardware and software test architectures and plans in support of Product Lead Strategic Spectrum Warfare. Salary at MAG Aerospace is determined by various factors including but not limited to location, the particular combination of education, knowledge, skills, competencies, and experience as well as contract-specific affordability and organizational requirements.
Senior Test & Evaluation Engineer (Electrical) – EW&C MAG AerospaceSenior Test & Evaluation Engineer (Electrical) – EW&CAberdeen Proving Ground, Maryland$130,000–$185,000 / yearFull timePosition Summary: MAG Aerospace is seeking an experienced Test and Evaluation Engineer to develop, execute, and maintain hardware and software test architectures and plans in support of Product Lead Strategic Spectrum Warfare. Salary at MAG Aerospace is determined by various factors including but not limited to location, the particular combination of education, knowledge, skills, competencies, and experience as well as contract-specific affordability and organizational requirements.
Controls Engineer Burnham Holdings, Inc.Controls EngineerLancaster, PAThis integrated structure enhances our ability to continue to aggressively develop new products to meet the changing needs of our commercial and residential customers and supports our extensive base of installed units. Creates test reports, performs tests and analyzes test results to determine if designs meet functional and performance specifications.
NewSr. Manufacturing Engineer Katalyst Healthcares & Life SciencesSr. Manufacturing EngineerWilmington, DEWe are seeking a highly motivated Senior Manufacturing Engineer to support and optimize manufacturing operations by developing robust production processes, improving product quality, and driving continuous improvement initiatives. The ideal candidate will collaborate with cross-functional teams to implement manufacturing solutions, support new product introductions (NPI), validate equipment and processes, and ensure compliance with quality and regulatory requirements.
Associate Highway - Transportation Engineer/Designer PennoniAssociate Highway - Transportation Engineer/DesignerNewark, DelawareExposure to developing set of Transportation plans, including highway design, hydrology and drainage calculations and design, SWM and ES&C design; water and sanitary sewer utility layout, MOT plans and geometry. Highway and roadway design experience using MicroStation Connect, OpenRoads Designer (ORD) and ProjectWise (PW), Autoturn experience a plus .
Graduate Water Resource Engineer - Newark, DE PennoniGraduate Water Resource Engineer - Newark, DENewark, DelawareWater Resource Engineer needed to join a dynamic team responsible for working with many clients including state agencies, county governments, and local municipalities, for the development of Water Resource related projects. Perform H&H, ES&C, drainage and SWM tasks associated with transportation infrastructure projects for multiple clients throughout the Mid-Atlantic region.
Process Technology Engineer DuPont de Nemours IncProcess Technology EngineerNewark, DEIn this role, you'll leverage your engineering expertise to improve plant performance, troubleshoot complex process issues, increase asset utilization, and drive continuous improvement initiatives that directly impact business results. Whether it's providing clean water to more than a billion people on the planet, producing materials that are essential in everyday technology devices from smartphones to electric vehicles, or protecting workers around the world.
Data Engineer Rapinno TechData EngineerMalvern, PennsylvaniaYou will use your knowledge of this data to inform data sets and schema designs for raw data collection, semantic data layer/product design, and Identity Resolution (IDR) and Customer Data Platform (CDP) schema design to power marketing activation, personalization and analytics use cases. Good understanding of lean principles, including Shift left, DevOps, CloudOps, DataOps, continuous delivery; must have experience with Maven, Cucumber testing, Bamboo, git, Strong experience with scripting languages and platforms such as Python, Spark, R, SQL, Scala, etc.
DevOps / Cloud Engineer Rapinno TechDevOps / Cloud EngineerMalvern, PennsylvaniaProvides intermediate level technical support and monitors multiple cloud technology platforms efficiency through the use of monitoring tools and applications. • Programming/Development: AWS: CloudFormation, IAM, S3, EC2, EMR, Lambda, SQS, DynamoDB, Athena, AWS Glue, CloudWatch.
Senior Supplier Quality Engineer - Exton, PA DSM Nutritional Products Asia Pacific Pte LtdSenior Supplier Quality Engineer - Exton, PAExton, PAAs a senior member in the supplier quality engineering team, the senior supplier quality engineer is expected to provide subject matter expertise in supplier management, understand and evolve internal systems to efficiently meet requirements, interface with vendors of all sizes, and provide leadership to the supplier quality engineering team. Supplier Quality Engineer will support the biomedical group regarding engineering activities for the ongoing and evolving stability and predictability of the supply chain.
Tooling Engineer Energetics Manufacturing - level 2/3 Northrop Grumman CorpTooling Engineer Energetics Manufacturing - level 2/3Elkton, MD$87,600–$131,400 / yearJob Summary: Engineering and design of a wide range of production tooling components for energetic aerospace propulsions systems including molds, lifting devices, handling fixtures, test fixtures, etc. and prepares input for documentation. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.
Chief Engineer Home2 Suites By HiltonChief EngineerGlen Mills, PennsylvaniaOur ideal candidates should exude a passion for the hospitality industry that will attract and inspire our team members to cultivate an exceptional guest experience. As the Chief Engineer, you will be the strategic leader of the hotel’s Engineering department, ensuring optimal building functionality, safety, and guest satisfaction.
NewElectrical Engineer Arconic CorpElectrical EngineerLancaster, PAIn this highly visible role, you will provide engineering support across the mill, partnering with Production, Maintenance, Technical, and Leadership teams to solve complex challenges, improve electrical systems, and lead significant capital and major maintenance projects from concept through completion. Arconic Corporation is a leading provider of aluminum sheet, plate and extrusions, as well as innovative architectural products, that advance the automotive, aerospace, commercial transportation, industrial and building and construction markets.
NewSMT Process Engineer Spectrum ControlSMT Process EngineerPhiladelphia, Delaware$90,000–$140,000 / yearDevelop, qualify, and optimize SMT manufacturing processes including solder paste printing, stencil design, pick-and-place programming, component placement optimization, reflow soldering, AOI/SPI process optimization, and other electronics manufacturing processes to improve yield, throughput, quality, and process capability. JOB SUMMARY : The SMT P rocess Engineer serves as the technical lead for Surface Mount Technology (SMT) manufacturing processes while partnering with Design Engineering, Manufacturing, and Quality to support New Product Introduction (NPI), optimize production processes, improve yield, and ensure successful transition of aerospace and defense electronics into manufacturing.
Project Engineer MasTec IncProject EngineerPLYMOUTH MEETING, PennsylvaniaFull timeWith a genesis in construction and a skilled team of multidiscipline engineers and project management professionals, the company delivers best-in-class infrastructure solutions, including design, asset integrity management, feasibility studies, surveys, constructability reviews, turnkey delivery services, and more. The Project Engineer will manage project engineering, financial reporting, and document control from a central office as needed concentrating on the schedule, budget updates, vendor/subcontractor contracts, client change orders, invoicing, correspondence logs, and Requests for Information (RFI).
Field Corrosion Engineer Corrpro CompaniesField Corrosion EngineerMalvern, PennsylvaniaCorrpro provides professional corrosion consulting and cathodic protection engineering services to major oil companies, government agencies, municipal water, sewer and gas utilities, universities, and public transportation agencies. Corrpro is a corrosion engineering, cathodic protection, and corrosion monitoring business for the protection and preservation of infrastructure.
Instrumentation & Controls Engineer 3 Nuclear Sargent & Lundy LLCInstrumentation & Controls Engineer 3 NuclearWilmington, DE$74,353–$113,595 / yearIn this role, we expect people to be willing or able to solve problems using modern tools: You are expected to take engineering problems from issue to solution using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Since 1954, we've been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects.
NewMechanical Project Engineer VeracityMechanical Project EngineerLancaster, PAThe position requires strong expertise in mechanical systems, project management, and thermal/combustion engineering, with the ability to lead projects ranging from small upgrades to large-scale capital investments. This role focuses on managing capital and improvement projects from concept through execution, ensuring safety, efficiency, and alignment with plant goals.
Instrumentation & Controls Engineer 3 - Nuclear Sargent & LundyInstrumentation & Controls Engineer 3 - NuclearWilmington, Delaware$74,353–$113,595 / yearFull timeAI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to solve problems using modern tools: You are expected to take engineering problems from issue to solution using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Since 1954, we’ve been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects.
Senior Full Stack Software Engineer Waters CorporationSenior Full Stack Software EngineerNew Castle, DEEngineer in New Castle, Delaware, youll be working on instruments that are pivotal in: Electric Cars, 3D Printing, batteries, recyclable plastics, space suits, candy that melts in your mouth and not your hands, paint that goes on smooth and dries without streaks, and even ensuring your French fries have the perfect crunch to them! As a Senior Full Stack Software Engineer you will: • Research, design, develop and release/maintain: Application, User interface, Data analysis, Instrument control software for thermal analysis, rheological, and calorimetric instruments.